1.61 London is an international award winning luxury interior design house and property development company based in Mayfair, London. 1.61 London was founded by brothers Alexander and Michael Christou. Our key role is to create unique and luxurious design in some of the best spaces in the world for our private clients. The company name and logo is a reflection of that goal, using the Golden Ratio and Fibonacci sequence, encompassing that driven passion for "creating aesthetic perfection'